Journal
OPTICS LETTERS
Volume 34, Issue 6, Pages 776-778Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000776
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- CRI
- Korean Ministry of Education, Science, and Technology
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Using an ultraslow light-based double-A-type configuration we demonstrate atomic coherence swing between two different frequencies in a nondegenerate four-wave mixing scheme. A short control pulse applied to the middle of an ultraslow light envelope results in coherence conversion between two ground states, causing both coherence depletion and recovery, resulting in a temporal hole and amplification in the ultraslow light envelope. This outcome holds potential for temporally and spatially localized coherence control of ultraslow light in such applications as a selective photon trap. (C) 2009 Optical Society of America
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